// JavaScript Document
//thanks to Adam Thody (http://www.adamthody.com/2009/09/jquery-zippostal-code-validation-method/)
jQuery.validator.addMethod("postalcode", function(postalcode, element) {
	return this.optional(element) || postalcode.match(/(^\d{5}(-\d{4})?$)|(^[ABCEGHJKLMNPRSTVXYabceghjklmnpstvxy]{1}\d{1}[A-Za-z]{1} ?\d{1}[A-Za-z]{1}\d{1})$/);
}, "Please specify a valid zip/postal code. ");